21002733

素因数分解:

$3^5\times {\mathrm{19}}^1\times {\mathrm{4549}}^1$

素因数の和:4583

約数の個数: 24

約数和(自身を含む): 33124000

約数和(自身を除く): 12121267

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 1539, 4549, 4617, 13647, 40941, 86431, 122823, 259293, 368469, 777879, 1105407, 2333637, 7000911, 21002733]

約数ペア:

[(1, 21002733), (3, 7000911), (9, 2333637), (19, 1105407), (27, 777879), (57, 368469), (81, 259293), (171, 122823), (243, 86431), (513, 40941), (1539, 13647), (4549, 4617)]